[OPEN] Ceiling tiles don't reset after removing of staircase

Could anyone share a save file where they're having this problem? Thanks for the help!

http://answers.ea.com/t5/The-Sims-4-Bug-Reports/INFORMATION-How-to-Send-User-Files-to-The-Sims-4-Team/m-p/6065302

@SimGuruNick Sending you a save file where this happened again. 

I don't know if you'll be able to see the problem because it tends to disappear when a lot is reloaded but hopefully it will help. 

Screenshots from that save file attached here. 

Product: The Sims 4
Platform:PC
Which language are you playing the game in? English
How often does the bug occur? Often (50% - 99%)
What is your current game version number? 1.58.63.1010
What expansions, game packs, and stuff packs do you have installed? Cats & Dogs, Laundry Day, Holiday Stuff
Steps: How can we find the bug ourselves? In build mode, create a building with two levels. Place some stairs and maneuver them to get them to loop around like "U" style stairs. Place a fence inline with the stairs and remove the floor on the stair side to create a loft. Move the stairs to a different tile, preferably just one tile away. Now, add some more fence to the left/right of the stairs, as if to expand the loft on one side. You should see where the stairs just were is a hole in the floor. It may take some fiddling, but it should eventually occur.
What happens when the bug occurs? One or multiple tiles of the second floor will vanish where the stairs just were. The only way to get it back is to move the stairs again or bulldoze the entire building.
What do you expect to see? The floor should not vanish and should be visible once stairs are moved.
Have you installed any customization with the game, e.g. Custom Content or Mods? Not now. I've removed them.
Did this issue appear after a specific patch or change you made to your system? Neutral/Not Sure 

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Unfortunately, the bug would not behave while on camera, but after I stopped recording it decided to do its magic. I started recording again and I included it and a couple other screenshots to show the issue.

https://drive.google.com/file/d/1hMBLwxGGUMzAghxb9a4LzCPfiGjdbH9m/view?usp=sharing 

I could have sworn that I've seen this bug reported before, but I can't find the thread. Tip: Sometimes leaving the lot (Manage Worlds), the reloading the save, restarting your game or worst case scenario repairing it will make it go away (until next time). GL!

EDIT: Hey! I found the thread: https://answers.ea.com/t5/Bug-Reports/NEEDS-SAVES-Ceiling-tiles-don-t-reset-after-removing-of/td-p/8180452 🙂

@icbogue Not sure if this will be helpful as a workaround for you. This video is not a re-creation of your issue, but a method I use of making the loft I assumed you want - with the stairs one tile over from the left wall, and open on both sides. 

Video: https://youtu.be/YctI60okBeE

Hope this helps. If I misunderstood please clarify and I will be happy to be of any assistance I can.

Please let us know how it goes! 

SheriGR ☕ –  I don’t work for EA.
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@lepetitemais Excellent detective work! Thank you so much! If @icbogue can confirm that this is the same issue we can see if the bug reports can be merged.

@SheriGR Thanks for your replies! I'm first going to start off addressing you, SheriGR. I really appreciate that you took the time to record a video. I've been playing Sims 4 since a few months after launch (sometime in 2015 I believe), so I know how to build a loft. My issue is that I almost never know exactly how I want something to be, so I move things around and change floor layouts a lot. That's how I found the bug, which (@lepetitemais) is the same bug as in the other thread, as far as I can tell. Feel free to merge them, and thanks for your workaround, Lepetitemais!

I tested two separate save files (one where I use mods and one without) and it happened both times. This isn't relating to a specific save file, as @simmyfroggy mentioned. It's a graphical glitch, hence why it disappears after reloading the save.

Product: The Sims 4
Platform:PC
Which language are you playing the game in? English
How often does the bug occur? Rarely (0% - 9%)
What is your current game version number? 1.59.73.1020
What expansions, game packs, and stuff packs do you have installed? Get Famous, Seasons, Cats & Dogs, City Living, Get Together, Get to Work, Dine Out, Spa Day, Outdoor Retreat, Fitness, Bowling Night, Vintage Glamour, Movie Hangout, Perfect Patio, Luxury Party.
Steps: How can we find the bug ourselves? Place down on a lot and rotate stairs in an empty room. Move stairs from their location to another spot. Go up a floor and see if the glitch appears.
What happens when the bug occurs? Two holes appear that cause a visual error within the coding.
What do you expect to see? The holes disappear after the stairs are moved.
Have you installed any customization with the game, e.g. Custom Content or Mods? Not now. I've removed them.
Did this issue appear after a specific patch or change you made to your system? No

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As the image above and title says, this is a glitch. There are two holes where the stairs used to be (stairs are in the hallway spot above, moved out of the place to get a better shot). When I exited the game and restarted, the holes disappeared, and tried to attempt the glitch again, but didn't show up. So I'm just reporting to let you know it's possibly a minor coding error or something. It self-fixed since exiting and reopening removed it.

Before you ask

My driver is graphics driver and OS are up to date.